Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/wAkOMkA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-798dcaf5-c98f-46aa-a24d-83cb2cd61d0c",
      "cw-5509095f-985d-40fc-ae0f-0ed41588264d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a592e3ae-75da-4411-bc10-4ca39a1fac70",
    "manifestId": "https://dam.iuav.it/iuav/containers/wAkOMkA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5509095f-985d-40fc-ae0f-0ed41588264d"
  }
}